Improvement in agricultural boilers and steamers



R. s. HAzwfs-r. Agricultural-Boiler ndSt'e'amer.

NO. 130x996.. i Patented Sep.3, 1872.

` VlArniv'r* QFFICE.

ROBERT s. Hanssen, or oALAMUs, Iowa.

Specification forming part of Letters Patent No. 130,996. dated lSeptember 3, 1872. n

Srnoimoarron.

To all whom it may concern:

Be it known that I, ROBERT S. HAZEN, Sr., of Calamus, in the county of Clinton and State of Iowa, have invented certain Improvements in a Steamer and Boiler, of which the following is a specification, reference being had to the accompanying drawing.

My invention relates to boilers, such as are used for cooking feed and generating steam;

and the invention consists in a novel manner through the center 'of my boiler. Fig. 2 is a transverse vertical section of the same on the line .fr a; of Fig. 1. Fig. 3 is a horizontal section through the nre-box and ues on the line y y of Fig. 1; and Fig. 4 is a. view, showingl one 'of the corner pieces or socketsl for holding the body together and the legs in place.

A represents the body of my boiler, which is made of wood in a rectangular form, and provided with a sheet-metal bottom, nailed fast, and four legs, B, upon which it stands. The legs extend up along the sides of the body, and are each held in vplace by two sockets or corner pieces, G, which are made of the shape and secured in the manner shown in Fig. 4, so as to serve both as sockets vand as corner pieces to strengthen the body. Under the entire bottom of the body A there is a flat metal box or chamber, D, having a flange, d, turned outward around its upper edges, and being secured in place by nails driven through said flanges and through the bottom a into the lower edges of the body A, as shown in Fig. 2. At one end of the box or chamber D there is a rebox, E, containing a grate, c, and provided at one end with two doors, e and f, above and below the grate, respectively, and on the front side with a long' sliding door, g, above the grate, and a small damper, h, belowthe same. The dre-box, thus arranged, can be fed with coal or peat through the front door g, or with wood through the end door e, the draft being regulated by the door fand the damper h. The box or chamber D, bach Vof the drehen, is divided, by partitions, into five longitudinal lues, kk l l and m, the latter being in the middle, and communicating with a smoke-pipe, G, at the back end of the boil er, as shown. The lues are arranged, as shown in Fig; 3, so that the products of combustion pass from the iire-box along both sides of the box, through the iiues k, and then forward again through the ilues l, and finally back through the central iiue m, and out into the smoke-pipe G. It will thus be seen that the products of combustion are three times carried the entire length ot' the bottom of theboil er in direct contact therewith, and fully uti1 ized. As the said products are first carried through the outside iiues, the outer or side portions of .the boiler-bottom are subjected to the greatest heat, by which I have found, in practice, the water is more rapidly heated than otherwise. The body is provided with a top or cover, made in two sections, F and F', which are hinged to the sides of the body, as shown in Fig. 2, the hinges being made of such length and so applied that when the covers are opened they can be turned down against the outside of the body, as shown in dotted lines in Fig. 2, so as to be out of the way of the operator, and free from danger of being broken on". The edges of the covers are provided with lapjoints where they meet, so as to be perfectly tight; and one of the covers is fastened down by hooks s on the body, and pro vided with a button, t, for lockingthe other cover, as shown in Figs. 1 and 2. Within the body there is placed a false bottom, H, of perforated sheet met-al, which is supported by strips w nailed to its under edges, as shown, the under side of the strips being cut away, so that they only bear on the bottom at intervals, and cover but little of the heating-surface. A hole, Lis bored down through one of the covers and the end of the body, so as to open inward under the false bottom. Through this hole water may be introduced into the boiler without opening the same; and, as the hole opens below the water-line, steam cannot escape through it. A pipe for conveyin gthe steam from the boiler, when desired, may be attached in any suitable manner. A cock or faucet, K, is applied to one side of the boiler at the bottom for drawing oii the water.

The boiler, constructed asabove described,

is simple, cheap, and strong'. It generates steam rapidly and with economy of fuel; and being adapted for both Wood and coal,.it is suitable for use in all sections of country.

Having thus described my invention, what I claim is 1. In a steamer and boiler, substantially such ashereindescribed, I claim the combination of the body A and the furnace E, constructed substantially, whereby it is adapted to use either wood or coal for fuel, as set forth.

2. The boiler, having its furnace D and bottom a secured in place by a single set of nails or screws passed through them both into the Wooden body A, as shown and described.

3. The loops C attached to the body A, as described, whereby they form sockets for the legs, and also serve as angle-irons to secure the corners of the body.

4. The covers F F', hinged to the body so as to turn down parallel with its sides, substantially as and for the purpose set forth.

5. The passage J, made through the cover and the Wall of the body, as described, for the introduction of water, as set forth.

R. S. HAZEN, SR.

Witnesses W. L. CARROLL, B. W. GARTsmE. 

